diff --git a/src/plugins/python/weechat.pyi b/src/plugins/python/weechat.pyi
index 3cf5bfc1a..b78f81184 100644
--- a/src/plugins/python/weechat.pyi
+++ b/src/plugins/python/weechat.pyi
@@ -3,6 +3,8 @@
 # DO NOT EDIT BY HAND!
 #
 
+# SPDX-FileCopyrightText: 2019-2025 Sébastien Helleu <flashcode@flashtux.org>
+
 from typing import Dict, Union
 
 WEECHAT_RC_OK: int = 0
diff --git a/tools/generate_python_stub.py b/tools/generate_python_stub.py
index 540526f83..639216a7c 100755
--- a/tools/generate_python_stub.py
+++ b/tools/generate_python_stub.py
@@ -37,6 +37,8 @@ STUB_HEADER = """\
 # DO NOT EDIT BY HAND!
 #
 
+# SPDX-FileCopyrightText: 2019-2025 Sébastien Helleu <flashcode@flashtux.org>
+
 from typing import Dict, Union
 """